* {
	margin: 0;
	padding: 0;
}
li {
	list-style: none;
}

.box {
	width: 960px;
	height: 320px;
	margin: 0 auto;
	overflow: hidden;

	position: relative;
}

.box li {
	position: absolute;
	left: 960px;
	top: 0;
}

.prev,
.next {
	position: absolute;
    width: 60px;
    background: url(../images/btn_show.png) 0 -80px;
	height: 80px;
	top: 80px;
}
.next {
    background: url(../images/btn_show.png);
	right: 0;
}